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Attendance Calculator
Calculate your attendance percentage and see how many more classes you can skip — or must attend — to hit a required threshold.
Current attendance
84.0%
You can miss 6 more classes and stay at/above 75%.
🔒 This tool runs entirely in your browser. Your data is never uploaded.
Frequently asked questions
What does it calculate?＋
Your attendance percentage, plus how many more classes you can miss or must attend to stay above a required threshold.
How do I set the requirement?＋
Enter your attendance minimum (for example 75%) and it tells you your margin.
Is my data uploaded?＋
No — it's calculated locally in your browser.